- 1 link
- 2 Address
- 3 Some common protocols
- 4 Create links 4.1 in HTML 4.2 in the language of BBCode
- 4.1 in HTML
- 4.2 in the language of BBCode
- 5 References
Link (in English: Link) or interface, is a text, image, or icon, located in a documentary file (in English: Document), so that up between him and the file or another element. World Wide Web (composed in English: World Wide Web) from several links between the trillions of files and pages, if not use the links in the Internet, forcing the user to know the address of each page had specifically wanted. 
When you click on the link, the web browser (in English: Web browser) to move from the current page to the page that refers to the link, and are links usually with a different color from the color of the text normal, they appear blue in the natural state, but in case the user by clicking on it , you will see a different color when you return to the same page again; So as to inform the user that he had visited the link earlier. 
Considered the Internet addresses, or what is known as the determinants of standardized sources (in English: URL), some kind of identifiers resources standardized (English: URI), which is in any addresses, or names, or elements, use a well-known protocols on the Internet, are using Internet addresses to navigate to files and documentaries via the Internet or intranet (in English: intranet).  
Consists of the title of five sections, which together form a link for a particular page on the web, the first Valmokta consists of the protocol to be the name of the browser defined by, and be followed by a colon anchored in addition to the two lines slashes forward (in English: Forward slashes), the most famous example of this is a protocol transfer text dismutase (English: HTTP), and writes on a formula "//: http", in addition to the transfer of text Ultra Protocol secure (English: HTTPS), can also use other protocols of known protocols, protocol file transfer (in English: FTP), Protocol and Telnet (in English: Telnet). 
The second section of the Internet address represents a "World Wide Web" (in English: World Wide Web), and is expressed in the form "www" shortcut, and is used to distinguish the content of its existence on the World Wide Web. The user can neglect this section and not to write it, and it will not affect the meaning of the title, as can sometimes be the phrase "www" is replaced with something else represents a sub-domain (in English: Sub-domain). 
The third section of the Internet address of the domain name (in English: Domain name) of the web site, and the domain name usually ends as indicating the type of website or the State where it is, the end of the domain name "com." Which means that the site is a commercial site (in English: Commercial), and end with "org.", Meaning that the website follows a specific organization (in English: Organization), and the end of the domain name as "co.uk." Means that the website follows the United Kingdom (in English: United Kingdom) For example, there are several other formats may end domain name. 
The fourth section of the title refers to the folder location where there is page to be visited on the web server (in English: Web server), and following that section last, and the file name followed as type, which contains the web to be visited page, and usually ends up form "htm. File Name " Or "html.", Which indicates that the file is a file written in text encoding dismutase (English: HTML), as you can end the file name in other formats, such as "php." And "asp.", And "jpg.", And so on. 
There are some conditions for writing the Internet, where they can only contain letters of the alphabet in addition to the title of numbers, and some special symbols as a sign of exclamation, and my reference subtraction, combination, arches, police, and so on. It can be found in the title question mark name, which is represented in these variables case and transactions emitted to the source file type "script", used "&" signal separation between transactions and variables in case there is more than one variable. 
Some common protocols
There are some common protocols used in the World Wide Web, including the following:  
- Hypertext Transfer Protocol (English: HTTP): This protocol is used in the World Wide Web to determine the way of communication between the web server and web browser, who shall each send commands to another through this protocol, and is answered in the same way. There is another type of this protocol is more secure, and the transfer of text is called ultra-safe protocol (in English: HTTPS), and is characterized as containing layers of protection for secure communication between the web server and browser.
- File Transfer Protocol (English: FTP): This protocol is used to transfer files from one computer to another over the Internet, and supports this protocol system server-beneficiary (in English: Server-client) in the process of communication. The beneficiary can raise the existing files on the server, or upload, delete, or rename, move, or copy. The user needs to log on to the server so that it can access files, but some servers allow access to files without having to log on, and you know this property as "the anonymous FTP" (English: Anonymous FTP).
The programmer can establish such a link in its website, through the language of the text encoding super, by adding the following words: 
In the language of BBCode
To create a link through the language of the BBC Code (English: BBCode) used in forums and blogs, the title of the link is written as follows:  
- ^ أ ب "Hyperlink", www.computerhope.com,30-10-2017، Retrieved 14-11-2017. Edited.
- ^ A b c w t h "URL", www.computerhope.com, 30-10-2017, Retrieved 14-11-2017. Edited.
- ↑ "URI", www.computerhope.com,26-4-2017، Retrieved 14-11-2017. Edited.
- ↑ Vangie Beal, "HTTP - HyperText Transfer Protocol"، www.webopedia.com, Retrieved 14-11-2017. Edited.
- ↑ Margaret Rouse, "File Transfer Protocol (FTP) "، www.techtarget.com, Retrieved 14-11-2017. Edited.
- ↑ "HTML Links", www.w3schools.com, Retrieved 14-11-2017. Edited.
- ↑ "BBCode", www.bbcode.org, Retrieved 14-11-2017. Edited.
- ↑ "Creating links with BBCode", www.bbcode.org, Retrieved 14-11-2017. Edited.
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